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五水合（5-羧基吡啶-2-羧酸根-κN,O）（吡啶-2,5-二羧酸根-κN,O）铈（III）四水合物

Penta-aqua-(5-carb-oxy-pyridine-2-carboxyl-ato-κN,O)(pyridine-2,5-dicarboxyl-ato-κN,O)cerium(III) tetra-hydrate.

作者信息

Ma Ning, Zhang Tong, Yang Guang-Rui

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2012 Jan;68(Pt 1):m41-2. doi: 10.1107/S1600536811052688. Epub 2011 Dec 10.

DOI:10.1107/S1600536811052688
PMID:22259342
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3254311/
Abstract

In the title compound, [Ce(C(7)H(3)NO(4))(C(7)H(4)NO(4))(H(2)O)(5)]·4H(2)O, the Ce(3+) ion is nine-coordinated by two O atoms and two N atoms from one single and from one double deprotonated pyridine-2,5-dicarboxyl-ate ligand and five water mol-ecules in a distorted monocapped square-anti-prismatic geometry. In the crystal, extensive O-H⋯O hydrogen-bonding inter-actions result in a three-dimensional supra-molecular architecture.

摘要

在标题化合物[Ce(C₇H₃NO₄)(C₇H₄NO₄)(H₂O)₅]·4H₂O中，Ce³⁺离子由来自一个单去质子化和一个双去质子化的吡啶 - 2,5 - 二羧酸根配体的两个O原子和两个N原子以及五个水分子以扭曲的单帽方反棱柱几何构型进行九配位。在晶体中，广泛的O - H⋯O氢键相互作用导致三维超分子结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/65ad/3254311/a6ad4904ea35/e-68-00m41-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/65ad/3254311/f0ac437a7a73/e-68-00m41-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/65ad/3254311/a6ad4904ea35/e-68-00m41-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/65ad/3254311/f0ac437a7a73/e-68-00m41-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/65ad/3254311/a6ad4904ea35/e-68-00m41-fig2.jpg

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本文引用的文献

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Structure validation in chemical crystallography.化学晶体学中的结构验证
Acta Crystallogr D Biol Crystallogr. 2009 Feb;65(Pt 2):148-55. doi: 10.1107/S090744490804362X. Epub 2009 Jan 20.
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A short history of SHELX.SHELX简史。
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Lanthanide-sensitized lanthanide luminescence: terbium-sensitized ytterbium luminescence in a trinuclear complex.镧系元素敏化的镧系元素发光：三核配合物中铽敏化镱发光
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Syntheses and characterizations of three-dimensional channel-like polymeric lanthanide complexes constructed by 1,2,4,5-benzenetetracarboxylic acid.由1,2,4,5-苯四甲酸构建的三维通道状聚合物镧系配合物的合成与表征
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